The shooting occurred at Dewey Park, east of Greenfield and north of 8 Mile in Oak Park. Carr, 19, of Northville, was shot once in the head near the former Oak Park Academy.

A first-degree murder conviction carries a mandatory sentence of life in prison without the possibility of parole.

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A man who was with Carr was also shot at, investigators said. That victim, 20, of Detroit, ran to a nearby apartment complex, sought help and called police.

Williams was also convicted of felonious assault and two counts of possession of a firearm in commission of a felony. The felonious assault conviction brought a sentence of 23 months to four years in prison, while each conviction for possession of a firearm in commission of a felony brings an automatic sentence of two years in prison.

Oakland Circuit Judge Wendy Potts, who presided over the trial and handed down the sentence, also ordered Williams to pay $18,215 in restitution.